<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
  <link href="./css/index.css" rel="stylesheet">
  <style>
    h1 {
      color: #000;
    }
    svg {
      min-width: 600px;
      min-height: 300px;
      overflow: auto;
    }
  </style>
</head>
<body>
<h1>SVG Polygon</h1>
<svg xmlns="http://www.w3.org/2000/svg" version="1.1">
  <polygon points="0,0 100,0 50,86.60"
           style="fill:lime;stroke:purple;stroke-width:1"/>
</svg>

<svg xmlns="http://www.w3.org/2000/svg" version="1.1">
  <polygon points="0,0 100,0 0,100"
           style="fill:lime;stroke:purple;stroke-width:1"/>
</svg>

<svg xmlns="http://www.w3.org/2000/svg" version="1.1">
  <polygon points="100,0 300,210 170,250 123,234"
           style="fill:lime;stroke:purple;stroke-width:1"/>
</svg>

<svg xmlns="http://www.w3.org/2000/svg" version="1.1">
  <polygon points="100,10 40,180 190,60 10,60 160,180"
           style="fill:lime;stroke:purple;stroke-width:5;fill-rule:evenodd;" />
</svg>
<!--<script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.min.js"></script>-->
<script src="./js/d3.v4.min.js"></script>
<script src="./js/svg.js"></script>
</body>
</html>